Add support for the draw tile mode for the rest of the draw tools, except bucket

Also fixes issues with the draw tile mode with the pencil and eraser tools, such as leaving gaps if the mouse is moving fast, and support for spacing and fill inside tool options.

src/Tools/BaseDraw.gd

@@ -18,6 +18,7 @@ var _brush_image := Image.new()
 var _orignal_brush_image := Image.new()  ## Contains the original _brush_image, without resizing
 var _brush_texture := ImageTexture.new()
 var _strength := 1.0
+var _is_eraser := false
 @warning_ignore("unused_private_class_variable")
 var _picking_color := false
 
@@ -320,12 +321,12 @@ func draw_end(pos: Vector2i) -> void:
 	_polylines = _create_polylines(_indicator)
 
 
-func draw_tile(pos: Vector2i, tile_index: int) -> void:
+func draw_tile(pos: Vector2i) -> void:
+	var tile_position := get_cell_position(pos)
+	var tile_index := 0 if _is_eraser else TileSetPanel.selected_tile_index
 	for cel in _get_selected_draw_cels():
 		if cel is not CelTileMap:
 			return
-		pos = Global.current_project.tiles.get_canon_position(pos)
-		var tile_position := get_cell_position(pos)
 		(cel as CelTileMap).set_index(tile_position, tile_index)
 
 
@@ -570,6 +571,9 @@ func _set_pixel_no_cache(pos: Vector2i, ignore_mirroring := false) -> void:
 	pos = _stroke_project.tiles.get_canon_position(pos)
 	if Global.current_project.has_selection:
 		pos = Global.current_project.selection_map.get_canon_position(pos)
+	if is_placing_tiles():
+		draw_tile(pos)
+		return
 	if !_stroke_project.can_pixel_get_drawn(pos):
 		return
 

src/Tools/BaseShapeDrawer.gd

@@ -189,6 +189,9 @@ func _draw_shape(origin: Vector2i, dest: Vector2i) -> void:
 		_drawer.reset()
 		# Draw each point offsetted based on the shape's thickness
 		var draw_pos := point + thickness_vector
+		if is_placing_tiles():
+			draw_tile(draw_pos)
+		else:
 			if Global.current_project.can_pixel_get_drawn(draw_pos):
 				for image in images:
 					_drawer.set_pixel(image, draw_pos, tool_slot.color)

src/Tools/DesignTools/CurveTool.gd

@@ -195,6 +195,9 @@ func _draw_shape() -> void:
 
 
 func _draw_pixel(point: Vector2i, images: Array[ImageExtended]) -> void:
+	if is_placing_tiles():
+		draw_tile(point)
+	else:
 		if Global.current_project.can_pixel_get_drawn(point):
 			for image in images:
 				_drawer.set_pixel(image, point, tool_slot.color)

src/Tools/DesignTools/Eraser.gd

@@ -19,6 +19,7 @@ class EraseOp:
 
 func _init() -> void:
 	_drawer.color_op = EraseOp.new()
+	_is_eraser = true
 	_clear_image = Image.create(1, 1, false, Image.FORMAT_RGBA8)
 	_clear_image.fill(Color(0, 0, 0, 0))
 
@@ -44,9 +45,6 @@ func draw_start(pos: Vector2i) -> void:
 	_picking_color = false
 	Global.canvas.selection.transform_content_confirm()
 	prepare_undo("Draw")
-	if is_placing_tiles():
-		draw_tile(pos, 0)
-		return
 	update_mask(_strength == 1)
 	_changed = false
 	_drawer.color_op.changed = false
@@ -75,9 +73,6 @@ func draw_move(pos_i: Vector2i) -> void:
 		if Input.is_action_pressed(&"draw_color_picker", true):
 			_pick_color(pos)
 		return
-	if is_placing_tiles():
-		draw_tile(pos, 0)
-		return
 
 	if _draw_line:
 		if Global.mirror_view:
@@ -99,11 +94,6 @@ func draw_end(pos: Vector2i) -> void:
 	if _picking_color:
 		super.draw_end(pos)
 		return
-	if is_placing_tiles():
-		super.draw_end(pos)
-		draw_tile(pos, 0)
-		commit_undo()
-		return
 
 	if _draw_line:
 		if Global.mirror_view:

src/Tools/DesignTools/LineTool.gd

@@ -174,6 +174,9 @@ func _draw_shape() -> void:
 	for point in points:
 		# Reset drawer every time because pixel perfect sometimes breaks the tool
 		_drawer.reset()
+		if is_placing_tiles():
+			draw_tile(point)
+		else:
 			# Draw each point offsetted based on the shape's thickness
 			if Global.current_project.can_pixel_get_drawn(point):
 				for image in images:

src/Tools/DesignTools/Pencil.gd

@@ -104,9 +104,6 @@ func draw_start(pos: Vector2i) -> void:
 
 	Global.canvas.selection.transform_content_confirm()
 	prepare_undo("Draw")
-	if is_placing_tiles():
-		draw_tile(pos, TileSetPanel.selected_tile_index)
-		return
 	var can_skip_mask := true
 	if tool_slot.color.a < 1 and !_overwrite:
 		can_skip_mask = false
@@ -145,9 +142,6 @@ func draw_move(pos_i: Vector2i) -> void:
 		if Input.is_action_pressed(&"draw_color_picker", true):
 			_pick_color(pos)
 		return
-	if is_placing_tiles():
-		draw_tile(pos, TileSetPanel.selected_tile_index)
-		return
 
 	if _draw_line:
 		_spacing_mode = false  # spacing mode is disabled during line mode
@@ -173,11 +167,6 @@ func draw_end(pos: Vector2i) -> void:
 	if _picking_color:
 		super.draw_end(pos)
 		return
-	if is_placing_tiles():
-		super.draw_end(pos)
-		draw_tile(pos, TileSetPanel.selected_tile_index)
-		commit_undo()
-		return
 
 	if _draw_line:
 		_spacing_mode = false  # spacing mode is disabled during line mode